Finding the Fourth Proportional to 778,257.99, 1,073,587.50 and 633,225.90
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Solution
The fourth proportional to 778,257.99, 1,073,587.50 and 633,225.90 is: 873,519.35
Step by Step Solution
- Step 1: Write the proportion equation
778,257.99 : 1,073,587.50 = 633,225.90 : x - Step 2: Convert to fraction form
778,257.99/1,073,587.50 = 633,225.90/x - Step 3: Cross multiply
778,257.99x = 1,073,587.50 × 633,225.90 - Step 4: Simplify right side
778,257.99x = 679,823,410,916.25 - Step 5: Solve for x
x = 679,823,410,916.25/778,257.99 - Step 6: Final answer
x = 873,519.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.